Evidence row 737871

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.multiplayeragent.com/mcp?src=registry"
    ],
    [
      "web",
      "https://multiplayeragent.com/mcp"
    ]
  ],
  "name": "Multiplayer Agent",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T03:29:11.476426Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T03:29:11.476426Z",
        "updatedAt": "2026-10-28T03:29:11.476426Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Make any browser game multiplayer and host it at a share link. No account needed to start.",
      "name": "com.multiplayeragent/multiplayer-agent",
      "remotes": [
        {
          "headers": [
            {
              "description": "Optional. Bearer <secret key>: the studio secret key, starting sk_, from https://multiplayeragent.com/dashboard/key. Without it, the agent connects the session to an account through a browser sign-in, or builds in an unclaimed studio.",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://api.multiplayeragent.com/mcp?src=registry"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/multiplayeragent/multiplayer-agent"
      },
      "title": "Multiplayer Agent",
      "version": "1.0.2",
      "websiteUrl": "https://multiplayeragent.com/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Make any browser game multiplayer and host it at a share link. No account needed to start."
}

What the leaf hashes

{"body":"c8dab85802ed69b9315a555be241a5a3ffe02f7a837e3b4b37538b085ea227bb","id":737871,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793158878314437,"prev":261152,"subject":"mcp_registry:com.multiplayeragent/multiplayer-agent","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xa5bf377b9bbaff265d19e3105ec1706cb78571a62e8068e51116469adb1fb0e8
2. 0xcaf319157945311250dfb9221a877546fe3147afa0be87aa93513f86e14f1363
3. 0x5026e79d965fb06566b735184243a493749a4575bb2a872cc19ab40df9bf7146
4. 0x3468a96a960822058beb22a3b6bb3b70381cd57f110e08b137c1e3fe3b1fb500
5. 0x05ea58c619261eddea1bd5cd2b19d924c5a4278c0be7492921e7d2175b7413fb
6. 0x1bf3e53abd8ab6f34486cdb65f4b03115a3eb2a7c5b084c1600cfeb210e828b3
7. 0x6f14ffaa541446ddfd4779b10cbf278e85720285eab7ac805121764f04387240
8. 0x4c94f85bd81e00327747738e74a566c9c1eba7aa7bd1cbf7d1c8ab54d4d09750
9. 0x14a18f25dcb5ad092ec6cb1ce32f6f4c0922a5de3e8a16fc5c5eb50c19655adb
10. 0x0f1d41b149657f0526619703e782997f30519949c4ba2d4de7ce1c4c44dd3b6c
11. 0x500e80b5f9c5d6bd86fe5c4592c166ee200f905d096eac947a9bbc57bfa1ae03
12. 0xe5d51c9aa3c14e4c7b57606d58c74de94b65d308e5aceacb82e415d83f1e2fe1
13. 0xb5454b2881dcf5871db87f595c9d60eba5c4fd664d097bbcb5ca16283b093246
14. 0x518f746edef7675640c92fbe2c056392702ec8f1ebbb6ede597bd5f7c0c5aea1
15. 0xcd8084fb60eb6be382a8750a344eb425404f5162e8ae3db9a15ef555a7942b85
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae